45642493217 has 8 divisors (see below), whose sum is σ = 45950463360. Its totient is φ = 45334598400.

The previous prime is 45642493157. The next prime is 45642493229. The reversal of 45642493217 is 71239424654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45642493217 - 2⁶ = 45642493153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45642493517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1756673 + ... + 1782465.

It is an arithmetic number, because the mean of its divisors is an integer number (5743807920).

Almost surely, 2^45642493217 is an apocalyptic number.

It is an amenable number.

45642493217 is a deficient number, since it is larger than the sum of its proper divisors (307970143).

45642493217 is a wasteful number, since it uses less digits than its factorization.

45642493217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37663.

The product of its digits is 1451520, while the sum is 47.

The spelling of 45642493217 in words is "forty-five billion, six hundred forty-two million, four hundred ninety-three thousand, two hundred seventeen".